______,Reserve 1/2 cup cookies for top.,Combine cookies and melted butter; press into pan and refrigerate 1/2 hour.,Mix cream cheese and powdered sugar. Add one Cool Whip.,Spread over cookies and refrigerate for 1 hour. Prepare chocolate pudding; spread over cheese layer.,Refrigerate 1 hour.,Spread second Cool Whip.,Sprinkle with remaining cookie crumbs.,Best when refrigerated for another hour.,Yields 1 (9 x 13-inch) pan.,Serves 12 to 16.